Methanol is soluble in water, but ethane is not.
Methanol is soluble in water because it has a shorter carbon chain than ethane.
Methanol is soluble in water because it has less atoms than ethane.
Methanol has a polar OH group that can form hydrogen bonds with other methanol molecules, but ethane does
Methanol has a polar OH group that can form hydrogen bonds with water, but ethane does not.